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  2. CCNA - Wikipedia

    en.wikipedia.org/wiki/CCNA

    CCNA (Cisco Certified Network Associate) is an information technology (IT) certification from Cisco Systems. CCNA certification is an associate-level Cisco Career certification. Cisco exams have changed several times in response to changing IT trends.

  3. Cisco certifications - Wikipedia

    en.wikipedia.org/wiki/Cisco_certifications

    CCDA. Cisco-Certified Design Associate (CCDA) certified engineers can design switched or routed networks of LANs, WANs and broadband services. The CCDA exam (200-310 DESGN) requires a CCENT at a minimum, though either CCNA or CCIE will serve as a prerequisite, as well SWITCH-level knowledge of Cisco-based LANs.

  4. Open Shortest Path First - Wikipedia

    en.wikipedia.org/wiki/Open_Shortest_Path_First

    Open Shortest Path First ( OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses a link state routing (LSR) algorithm and falls into the group of interior gateway protocols (IGPs), operating within a single autonomous system (AS). OSPF gathers link state information from available routers and constructs a topology map of the ...

  5. Certified information systems security professional - Wikipedia

    en.wikipedia.org/wiki/Certified_Information...

    The final step is payment of the annual maintenance fee of $135 (as of 2024). The CISSP credential is valid for three years; holders renew either by submitting 40 Continuing Professional Education (CPE) credits per year over three years or re-taking the exam.

  6. Spanning Tree Protocol - Wikipedia

    en.wikipedia.org/wiki/Spanning_Tree_Protocol

    The Multiple Spanning Tree Protocol (MSTP), originally defined in IEEE 802.1s -2002 and later merged into IEEE 802.1Q -2005, defines an extension to RSTP to further develop the usefulness of VLANs. In the standard, a spanning tree that maps one or more VLANs is called a multiple spanning tree (MST).

  7. Virtual Router Redundancy Protocol - Wikipedia

    en.wikipedia.org/wiki/Virtual_Router_Redundancy...

    The Virtual Router Redundancy Protocol ( VRRP) is a computer networking protocol that provides for automatic assignment of available Internet Protocol (IP) routers to participating hosts. This increases the availability and reliability of routing paths via automatic default gateway selections on an IP subnetwork .

  8. Cisco Certified Entry Networking Technician - Wikipedia

    en.wikipedia.org/wiki/Cisco_Certified_Entry...

    The Cisco Certified Entry Networking Technician (CCENT) [1] certification was the first stage of Cisco's certification system. The certification was retired on 24 February 2020. [2] The CCENT certification was an interim step to Associate level or directly with CCNA and CCDA certifications.

  9. CCIE Certification - Wikipedia

    en.wikipedia.org/wiki/CCIE_Certification

    The Cisco Certified Internetwork Expert, or CCIE, is a technical certification offered by Cisco Systems. The Cisco Certified Internetwork Expert (CCIE) and Cisco Certified Design Expert (CCDE) certifications were established to assist the industry in distinguishing the top echelon of internetworking experts worldwide and to assess expert-level ...

  10. CCNP - Wikipedia

    en.wikipedia.org/wiki/CCNP

    The validity of CCNP Certification is 3 years. Renewal requires certification holders to register for and pass same or higher level Cisco recertification exam(s) every 3 years. Related certifications. Associate-level certification: CCNA; Expert-level Certification: CCIE; References

  11. Red Hat Certification Program - Wikipedia

    en.wikipedia.org/wiki/Red_Hat_Certification_Program

    To achieve the JBCAA certification the student must pass EX248, a four-hour hands-on lab exam. There is no prerequisite for the exam, but Red Hat recommends preparing for the exam by taking course JB248, a four-day course in JBoss application administration. JBCAA was Launched in September 2009.